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    1-009-Bifurcation-TechniqueNarrative
    We lead students to investigate first-order differential equations that contain unknown parameters. Students discover what happens to the qualitative behavior of solutions to these equations as...

    Keywords: bifurcationqualitative behaviorbifurcation diagram

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    1-001c-PopulationDecayThenSome-ModelingScenario
    You will be modeling the following situation: 100 people are in a hotel. Each day, each person has a random chance of 50% of leaving the hotel. No new people enter the hotel.

    Keywords: simulationoccupancypopulationhotel

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    1-047-Condensation-ModelingScenario
    We simulate the random motion of 200 particles in a 50 by 50 square in which a particle bounces off the two vertical and top walls and condenses on the bottom wall. Animations are produced and...

    Keywords: simulationsum of square errorscondensationbest fit

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    1-190-IntroClass-ModelingScenario
    Students go through development of ideas in mathematical modeling with differential equations. They encounter fundamental ideas of unlimited population growth, limited population growth and a...

    Keywords: population dynamicspredator-preylogisticexponentialgraphical interpretationsqualitative analysis

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    3-001-SpringMassDataAnalysis-ModelingScenario
    We offer data on position of a mass at end of spring over time where the spring mass configuration has damping due to taped flat index cards at the bottom of the mass. Modeling of a spring mass...

    Keywords: datadampingspring-mass systemNewton's Second Law of Motionspring constantHooke's Law

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    3-090-OneSpringMass-ModelingScenario
    We lead students through building a mathematical model for a single mass (bob)-spring system that is hanging vertically. We also lead the students, using data that they collect together with their...

    Keywords: undampedsum of square errorsmass springHooke's Lawoscilationleast-squares approximation

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    Sting, Carry and Stock: How Corpse Availability Can Regulate De-Centralized Task Allocation in a Ponerine Ant Colony
    Model showing that organization of work through a common stomach system can allow Ectatomma ruidum to collectively forage for food in a robust, reactive and reliable way

    Keywords: differential equationsmodelinginsect colonysystems theory

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    Spreading seeds: How can a better understanding of seed dispersal improve tropical forest restoration?
    Learn about seed dispersal by animals and how this ecological process can be harnessed to facilitate forest recovery through a forest restoration experiment in Costa Rica. Apply what you learn to a...

    Keywords: conservationRestorationtropical forestsbiodiversity lossSeed dispersal

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    Implementing an online module about acoustic biodiversity monitoring in the tropics for use in an undergraduate course
    This implementation plan for an online module organizes activities for understanding physical concepts and biological considerations regarding acoustic monitoring, and provides a Spanish version of...

    Keywords: Biodiversityconservation biologyTropical ecologyacoustic monitoring

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    Vegetation Greening: A Snapshot from the Andean Tropics
    This online module explores how satellite images are used to study vegetation greenness and, using Ecuador as an example, demonstrates how tropical vegetation experienced increased greenness...

    Keywords: remote sensingTime Series AnalysisEarth ObservationEarth and Space SciencesgeographyGIMMS NDVIgreening and browningtropical Andes

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    High technology to measure forest carbon stocks: How can advanced remote sensing improve biomass quantification in the Brazilian Amazon?
    A case study on the estimation of aboveground biomass using advanced remote sensors (LiDAR and hyperspectral) in the Brazilian Amazon. Students explore remote sensing (RS) data and compare RS-based...

    Keywords: climate changeremote sensinghyperspectraltropical forestsLiDAR data analysiscarbon stocks

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    Restoring tropical forests: Implementing an online module about restoration and succession in an advanced undergraduate ecology course
    “Restoring tropical forests” was implemented, using restoration as an example of variation in successional pathways, in an undergraduate course at Arizona State University. New versions of the...

    Keywords: resourcesimplementationRestorationtropical forestssuccession

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    2010-Bruce-Conrad-Ordinary_Differential_Equations_A_Systems_Approach
    This is an author posted second edition to the text which was originally published by Prentice Hall in 2003.

    Keywords: differential equationstextbook

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    6-021-AcornsRodentsSnakes-ModelingScenario
    Students are given the opportunity to build a three tropic level model in which snakes eat rodents, rodents eat acorns, and acorns grow and occasionally mast.

    Keywords: predationforestsnakesrodentsacornstrophic levelmasting

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    5-040-TunedMassDamper-Part-I-Modeling Scenario
    We offer an opportunity to build mathematical models to mitigate dangerous displacements in structures using structural improvements called Tuned Mass Dampers. We model the motion of the original...

    Keywords: structurespring-mass-dashpotspring massearthquakevibrationtuned mass tunerrestoring forcecontroldampe

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    Phenology Trends and Climate Change in Minnesota (Project EDDIE): A focus on American elm
    In this module, students will practice answering a specific question about how climate change has affected flowering date in American elm trees.
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    A Momentum-First Approach to Newton’s Second Law
    Students frequently struggle with seeing the connection between forces and motion in introductory physics. This lesson is part of a combined momentum and kinematics unit that first teaches...

    Keywords: group workMomentumNewton's Laws

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    Taking the Hassle out of Hasselbalch
    Mention pH in a classroom and you can almost see the inner yawn on the faces of your students. The definition may even roll easily from their lips. However, despite multiple exposures to the...

    Keywords: pHdrug uptakeHenderson-Hasslbalch equationmedical applicationspKa

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    Between a rock and a hard place. What can turning rocks tell us about land-use change impacts on animals living in a rock outcrop?
    Unique rock outcrops in the Western Ghats biodiversity hotspot in India provide a setting that challenges students to develop a study to assess the impact of land-use change on threatened animals...

    Keywords: conservationagricultureland useamphibianstropicalbiodiversity losslateritic outcropopen natural ecosystemsreptilesrocks

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    Functional trait-based restoration. Can hybrid restoration enhance invasion resistance and ecosystem services?
    A hybrid restoration experiment in Hilo, Hawaiʻi, in an area of high biocultural conservation value, that address the ecological and philosophical issues involved in conducting restoration with a...

    Keywords: Invasive SpeciesagroforestryHawaii CountyRestoration Ecologyplant functional traitstropical forest

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